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Convert columns to string in Pandas

...version 1.1), there are no performance benefits but the docs expect future enhancements to significantly improve performance and reduce memory usage for "string" columns as opposed to objects. With that said, however, it's never too early to form good habits! ...
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OAuth secrets in mobile apps

...owever this might help mitigate the issue: medium.com/@benjamin.botto/… (Enhanced Architecture -> Security Considerations) – Ivo Pereira Aug 23 at 0:07 add a comment ...
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How does the Java 'for each' loop work?

... The foreach loop, added in Java 5 (also called the "enhanced for loop"), is equivalent to using a java.util.Iterator--it's syntactic sugar for the same thing. Therefore, when reading each element, one by one and in order, a foreach should always be chosen over an iterator, as ...
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When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]

...ventreactor. I have implemented my own as-of-yet unpublished additions and enhancements to geventreactor which I will publish soon, hopefully as part of geventreactor's original GitHub repository: https://github.com/jyio/geventreactor. My current layout allows me to program in the nice programming ...
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...Paint的实例化操作不要写在onDraw()方法中等); 对于并发下载等类似逻辑的实现尽量避免多次创建线程对象,而是交给线程池处理。 当然了,有了上面说明GC导致的性能后我们就该定位分析问题了,可以通过运行DDMS->Allocation T...
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what is the difference between a portlet and a servlet?

... Enhanced from Source: Servlets Vs Portlets Similarities Servlets and Portlets are web based components which use Java for their implementation. Portlets are managed by a portlet container just like servlet is managed by se...
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How can you program if you're blind?

...e that given the difficulty imposed by the screen interface, blindness may enhance your ability to get the big picture... share answered Sep 23 '08 at 4:00...
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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?

...he first: PyPy has been evolving rapidly in an effort to improve speed and enhance interoperability with other code. This has made it more experimental than official. I think it's possible that if PyPy gets into a stable state, it may start getting more widely used. I also think it would be great...
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How are zlib, gzip and zip related? What do they have in common and how are they different?

...Reserved for Tokenizing compression algorithm 8 - The file is Deflated 9 - Enhanced Deflating using Deflate64(TM) 10 - PKWARE Data Compression Library Imploding (old IBM TERSE) 11 - Reserved by PKWARE 12 - File is compressed using BZIP2 algorithm 13 - Reserved by PKWARE 14 - LZMA (EFS) 15 - Reserved...
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Calling clojure from java

... it via Clojure.read("'(1 2 3"). It would be reasonable to file this as an enhancement request though to provide a Clojure.quote() or by making it work as a var. – Alex Miller Jan 19 '17 at 20:48 ...